./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB14.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 07f4699c371f295a25887a3f67dc54332a57ae32b5b342f10fdc7ddcf36f265e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:30:58,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:30:58,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:30:58,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:30:58,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:30:58,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:30:58,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:30:58,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:30:58,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:30:58,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:30:58,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:30:58,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:30:58,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:30:58,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:30:58,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:30:58,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:30:58,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:30:58,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:30:58,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:30:58,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:30:58,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:30:58,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:30:58,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:30:58,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:30:58,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:30:58,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:30:58,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:30:58,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:30:58,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:30:58,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:30:58,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:30:58,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:30:58,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:30:58,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:30:58,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:30:58,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:30:58,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:30:58,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:30:58,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:30:58,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:30:58,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:30:58,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:30:58,523 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:30:58,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:30:58,526 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:30:58,527 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:30:58,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:30:58,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:30:58,528 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:30:58,529 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:30:58,529 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:30:58,529 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:30:58,530 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:30:58,530 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:30:58,531 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:30:58,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:30:58,531 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:30:58,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:30:58,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:30:58,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:30:58,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:30:58,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:30:58,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:30:58,533 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:30:58,533 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:30:58,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:30:58,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:30:58,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:30:58,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:30:58,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:30:58,535 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:30:58,536 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07f4699c371f295a25887a3f67dc54332a57ae32b5b342f10fdc7ddcf36f265e [2022-11-02 20:30:58,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:30:58,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:30:58,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:30:58,882 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:30:58,883 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:30:58,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-restricted-15/PastaB14.c [2022-11-02 20:30:58,987 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/data/2e397b3f4/e4b311e587224ec98704430091bce7d5/FLAG035d9e23b [2022-11-02 20:30:59,464 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:30:59,464 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/sv-benchmarks/c/termination-restricted-15/PastaB14.c [2022-11-02 20:30:59,470 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/data/2e397b3f4/e4b311e587224ec98704430091bce7d5/FLAG035d9e23b [2022-11-02 20:30:59,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/data/2e397b3f4/e4b311e587224ec98704430091bce7d5 [2022-11-02 20:30:59,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:30:59,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:30:59,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:59,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:30:59,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:30:59,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:59" (1/1) ... [2022-11-02 20:30:59,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5cf9c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:59, skipping insertion in model container [2022-11-02 20:30:59,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:59" (1/1) ... [2022-11-02 20:30:59,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:30:59,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:31:00,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:31:00,065 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:31:00,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:31:00,089 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:31:00,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:00 WrapperNode [2022-11-02 20:31:00,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:31:00,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:31:00,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:31:00,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:31:00,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:00" (1/1) ... [2022-11-02 20:31:00,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:00" (1/1) ... [2022-11-02 20:31:00,123 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-11-02 20:31:00,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:31:00,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:31:00,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:31:00,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:31:00,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:00" (1/1) ... [2022-11-02 20:31:00,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:00" (1/1) ... [2022-11-02 20:31:00,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:00" (1/1) ... [2022-11-02 20:31:00,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:00" (1/1) ... [2022-11-02 20:31:00,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:00" (1/1) ... [2022-11-02 20:31:00,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:00" (1/1) ... [2022-11-02 20:31:00,141 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:00" (1/1) ... [2022-11-02 20:31:00,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:00" (1/1) ... [2022-11-02 20:31:00,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:31:00,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:31:00,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:31:00,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:31:00,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:00" (1/1) ... [2022-11-02 20:31:00,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:00,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:00,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:00,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:31:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:31:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:31:00,296 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:31:00,298 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:31:00,351 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:31:00,357 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:31:00,358 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:31:00,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:31:00 BoogieIcfgContainer [2022-11-02 20:31:00,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:31:00,361 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:31:00,361 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:31:00,366 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:31:00,367 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:31:00,367 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:30:59" (1/3) ... [2022-11-02 20:31:00,368 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a279fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:31:00, skipping insertion in model container [2022-11-02 20:31:00,368 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:31:00,368 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:00" (2/3) ... [2022-11-02 20:31:00,369 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a279fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:31:00, skipping insertion in model container [2022-11-02 20:31:00,369 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:31:00,369 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:31:00" (3/3) ... [2022-11-02 20:31:00,370 INFO L332 chiAutomizerObserver]: Analyzing ICFG PastaB14.c [2022-11-02 20:31:00,424 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:31:00,424 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:31:00,424 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:31:00,424 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:31:00,424 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:31:00,425 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:31:00,425 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:31:00,425 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:31:00,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:00,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:31:00,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:31:00,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:31:00,452 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:31:00,452 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:31:00,453 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:31:00,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:00,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:31:00,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:31:00,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:31:00,455 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:31:00,455 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:31:00,463 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L12-3true [2022-11-02 20:31:00,463 INFO L750 eck$LassoCheckResult]: Loop: 6#L12-3true assume !!(main_~x~0#1 == main_~y~0#1 && main_~x~0#1 > 0); 2#L12-2true assume !(main_~y~0#1 > 0); 6#L12-3true [2022-11-02 20:31:00,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:00,469 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-02 20:31:00,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:00,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503270066] [2022-11-02 20:31:00,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:00,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:00,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:31:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:00,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:31:00,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:00,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1320, now seen corresponding path program 1 times [2022-11-02 20:31:00,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:00,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408619364] [2022-11-02 20:31:00,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:00,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:00,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:31:00,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:31:00,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408619364] [2022-11-02 20:31:00,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408619364] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:00,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:00,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 20:31:00,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495873953] [2022-11-02 20:31:00,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:00,670 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:31:00,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:31:00,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:31:00,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:31:00,753 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:00,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:00,783 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2022-11-02 20:31:00,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2022-11-02 20:31:00,785 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:31:00,788 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 5 states and 6 transitions. [2022-11-02 20:31:00,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2022-11-02 20:31:00,789 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2022-11-02 20:31:00,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. [2022-11-02 20:31:00,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:31:00,791 INFO L218 hiAutomatonCegarLoop]: Abstraction has 5 states and 6 transitions. [2022-11-02 20:31:00,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. [2022-11-02 20:31:00,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2022-11-02 20:31:00,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:00,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2022-11-02 20:31:00,818 INFO L240 hiAutomatonCegarLoop]: Abstraction has 5 states and 6 transitions. [2022-11-02 20:31:00,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:31:00,823 INFO L428 stractBuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2022-11-02 20:31:00,823 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:31:00,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. [2022-11-02 20:31:00,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:31:00,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:31:00,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:31:00,824 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:31:00,825 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:31:00,825 INFO L748 eck$LassoCheckResult]: Stem: 28#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 29#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 30#L12-3 [2022-11-02 20:31:00,825 INFO L750 eck$LassoCheckResult]: Loop: 30#L12-3 assume !!(main_~x~0#1 == main_~y~0#1 && main_~x~0#1 > 0); 26#L12-2 assume !!(main_~y~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1; 27#L12-2 assume !(main_~y~0#1 > 0); 30#L12-3 [2022-11-02 20:31:00,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:00,826 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-11-02 20:31:00,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:00,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221432127] [2022-11-02 20:31:00,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:00,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:00,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:31:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:00,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:31:00,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:00,835 INFO L85 PathProgramCache]: Analyzing trace with hash 41000, now seen corresponding path program 1 times [2022-11-02 20:31:00,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:00,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211690547] [2022-11-02 20:31:00,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:00,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:00,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:31:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:00,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:31:00,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:00,853 INFO L85 PathProgramCache]: Analyzing trace with hash 28699942, now seen corresponding path program 1 times [2022-11-02 20:31:00,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:00,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692398864] [2022-11-02 20:31:00,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:00,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:00,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:31:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:00,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:31:00,972 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:31:00,973 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:31:00,973 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:31:00,973 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:31:00,973 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:31:00,973 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:00,974 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:31:00,974 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:31:00,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB14.c_Iteration2_Loop [2022-11-02 20:31:00,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:31:00,975 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:31:00,994 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:01,016 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:01,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:01,118 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:31:01,119 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:31:01,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:01,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:01,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:01,136 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:31:01,136 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:31:01,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:31:01,166 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:31:01,167 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:31:01,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-02 20:31:01,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:01,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:01,190 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:01,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:31:01,196 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:31:01,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:31:01,243 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:31:01,243 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:31:01,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-02 20:31:01,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:01,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:01,280 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:01,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:31:01,285 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:31:01,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:31:01,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:01,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:01,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:01,349 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:01,355 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:31:01,355 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:31:01,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:31:01,424 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:31:01,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:01,435 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:31:01,436 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:31:01,436 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:31:01,436 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:31:01,436 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:31:01,436 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:01,436 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:31:01,436 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:31:01,436 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB14.c_Iteration2_Loop [2022-11-02 20:31:01,436 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:31:01,437 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:31:01,439 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:01,449 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:01,455 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:31:01,559 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:31:01,564 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:31:01,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:01,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:01,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:01,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:31:01,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:31:01,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:31:01,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:31:01,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:31:01,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:31:01,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:31:01,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:31:01,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:31:01,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:01,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:01,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:01,649 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:01,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:31:01,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:31:01,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:31:01,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:31:01,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:31:01,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:31:01,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:31:01,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:31:01,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:31:01,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:01,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:01,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:01,740 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:01,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:31:01,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:31:01,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:31:01,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:31:01,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:31:01,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:31:01,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:31:01,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:31:01,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:31:01,802 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:31:01,807 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-02 20:31:01,807 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-02 20:31:01,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:01,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:01,810 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:01,821 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:31:01,822 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-02 20:31:01,822 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:31:01,822 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-11-02 20:31:01,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:31:01,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:01,863 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-02 20:31:01,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:01,903 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:31:01,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:01,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:31:01,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:01,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:31:01,978 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 20:31:01,980 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 6 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:02,046 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5 states and 6 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 10 transitions. Complement of second has 6 states. [2022-11-02 20:31:02,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 20:31:02,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2022-11-02 20:31:02,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-02 20:31:02,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:31:02,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-02 20:31:02,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:31:02,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-02 20:31:02,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:31:02,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2022-11-02 20:31:02,059 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:31:02,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2022-11-02 20:31:02,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:31:02,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:31:02,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:31:02,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:31:02,061 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:31:02,061 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:31:02,061 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:31:02,061 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:31:02,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:31:02,062 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:31:02,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:31:02,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:31:02 BoogieIcfgContainer [2022-11-02 20:31:02,071 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:31:02,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:31:02,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:31:02,073 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:31:02,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:31:00" (3/4) ... [2022-11-02 20:31:02,077 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:31:02,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:31:02,084 INFO L158 Benchmark]: Toolchain (without parser) took 2224.29ms. Allocated memory is still 138.4MB. Free memory was 103.3MB in the beginning and 92.5MB in the end (delta: 10.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-11-02 20:31:02,084 INFO L158 Benchmark]: CDTParser took 2.71ms. Allocated memory is still 138.4MB. Free memory was 110.4MB in the beginning and 110.3MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:31:02,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.88ms. Allocated memory is still 138.4MB. Free memory was 103.3MB in the beginning and 114.0MB in the end (delta: -10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:31:02,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.26ms. Allocated memory is still 138.4MB. Free memory was 114.0MB in the beginning and 112.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:31:02,087 INFO L158 Benchmark]: Boogie Preprocessor took 18.64ms. Allocated memory is still 138.4MB. Free memory was 112.5MB in the beginning and 112.0MB in the end (delta: 556.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:31:02,088 INFO L158 Benchmark]: RCFGBuilder took 216.06ms. Allocated memory is still 138.4MB. Free memory was 111.5MB in the beginning and 103.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:31:02,091 INFO L158 Benchmark]: BuchiAutomizer took 1710.08ms. Allocated memory is still 138.4MB. Free memory was 103.1MB in the beginning and 92.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-02 20:31:02,092 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 138.4MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:31:02,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.71ms. Allocated memory is still 138.4MB. Free memory was 110.4MB in the beginning and 110.3MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.88ms. Allocated memory is still 138.4MB. Free memory was 103.3MB in the beginning and 114.0MB in the end (delta: -10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.26ms. Allocated memory is still 138.4MB. Free memory was 114.0MB in the beginning and 112.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.64ms. Allocated memory is still 138.4MB. Free memory was 112.5MB in the beginning and 112.0MB in the end (delta: 556.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 216.06ms. Allocated memory is still 138.4MB. Free memory was 111.5MB in the beginning and 103.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1710.08ms. Allocated memory is still 138.4MB. Free memory was 103.1MB in the beginning and 92.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 138.4MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function y and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 10 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax154 hnf100 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq172 hnf92 smp77 dnf100 smp100 tf107 neg96 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 20:31:02,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:02,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8974e7-41ed-402d-88d1-98bdc0690c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE